| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 1670.0 | USD | 20180622 |
| Unknown | China national standards | MT | 250.0 | USD | 20180619 |
| Unknown | China national standards | MT | 230.0 | USD | 20180619 |
| Unknown | China national standards | MT | 1610.0 | USD | 20180618 |
| Unknown | China national standards | MT | 1760.0 | USD | 20180617 |
| Unknown | China national standards | MT | 260.0 | USD | 20180617 |
| Unknown | China national standards | MT | 1590.0 | USD | 20180616 |
| Unknown | China national standards | MT | 280.0 | USD | 20180614 |
| Unknown | China national standards | MT | 240.0 | USD | 20180614 |
| Unknown | China national standards | MT | 1550.0 | USD | 20180614 |